Diekman Polygraph Inc.
  • Home
  • Polygraph Services
  • PCSOT
  • EPPA
  • Polygraph Q&A

*The majority of polygraph work takes place on weekends, in the Carnation Building, 117 N. 1st Street, Mt. Vernon, WA, 98273 

Diekman Polygraph Inc. (360) 672-0355                                                              Email:    robdiekman@yahoo.com

Picture


Diekman Polygraph Inc. offers polygraph examinations to law enforcement, attorneys, businesses, organizations and private individuals throughout Washington for a wide variety of situations and circumstances. Reasons for conducting a polygraph examination may include or involve:
​
  • Criminal Investigations
  • Civil Litigation
  • Suspected Infidelity
  • Sex Offender (Sexual History, Instant Offense, Maintenance, Specific-Issue, and Monitoring exams)
  • Family and Relationship Issues
  • ​Immigration 
  • Divorce and Child Custody
  • Pre-Employment Screening

​
Polygraph Fees:

Fees for polygraph examinations vary widely depending on the situation and the type of testing involved. A typical polygraph exam can range from $250 to $500. Additional fees may apply if travel to your location is necessary to conduct the exam. Unless otherwise authorized, a $100 retainer fee is required for all clients, at the time of scheduling an exam.  Please note that retainers are non-refundable.  Prior to the exam, full payment is due and non- refundable.  Contact Diekman Polygraph Inc. today for a free consultation and price quote. 


*Remember to ask about military, law enforcement, and health care employee discounts.

Email: robdiekman@yahoo.com    
Phone: (360) 672-0355

 If you are interested in polygraph services, please contact Diekman Polygraph Inc. today.

Contact Us

Payment Options
website security
Thank you for visiting Diekman Polygraph Inc.